6Pack 100A Jump Lead Clamps Heavy Duty Pure Copper Crocodile Alligator Clips Car Booster Cable Battery for Auto (3Pcs Red +3 Pcs Black)

High quality copper structure - made of 99.9% pure copper, with maximum conductivity and corrosion resistance. Compared to standard steel or brass alternatives, it has excellent performance. Heavy duty professional grade - designed specifically for automotive supply professionals and DIY enthusiasts. The sturdy spring loading mechanism ensures a secure grip on battery terminals and cables with a diameter not exceeding 25 millimeters. A complete 6-piece set - including 3 red positive clamps and 3 black negative clamps for easy polarity identification. Very suitable for various vehicle maintenance or workshop applications. Multi functional automotive applications - ideal for jumper cables, battery charging, electrical testing, automotive supplies maintenance, and emergency roadside assistance. Compatible with cars, motorcycles, boats, and other 12V systems. Safety and reliability features - The insulated handle can prevent accidental short circuits. Strong spring tension can maintain stable contact. Color coding design reduces connection errors and enhances security.